摘要:
High performance filter media and manufacturing methodology provides nanofibers of diameter less than 1 μm incorporated and processed into internal structure of a filter medium dominantly composed of coarse fibers of diameter greater than 1 μm, to change the internal media structure.
摘要:
A high performance, high efficiency filter is provided by a multi-stage filter having combinations of tribologically different fibers, nanofibers, and layering.
摘要:
Disclosed is coalescing media for coalescing a mixture of two phases, namely a continuous phase and a dispersed liquid phase. The media includes polymeric base material having a surface with asperities, and the surface is heterogenous with respect to hydrophilicity/hydrophobicity. The media is configured for coalescing a dispersed liquid phase in a continuous phase where a preponderance of the heterogeneous surface is non-wetting with respect to the dispersed liquid phase. The media is configured for capturing droplets of the dispersed liquid phase where a layer of air is trapped at the heterogeneous surface and tips of the asperities extend through the trapped layer and contact the droplets.
摘要:
A reusable oil filter adapted to filter oil used in an engine includes a housing operatively connected to the engine, filter media disposed within the housing, a singular backwashing inlet operatively connected on the housing and an oil drain operatively connected with the housing. Pressurized air delivered through the backwashing inlet forces filtered oil to backflow through the filter media displacing contaminated oil from the filter media and creates an air-oil foam for further cleaning the filter media while the housing remains connected to the engine.
摘要:
A combination in situ oil filter purge and oil replacement system is provided in a lubrication system, including for an internal combustion engine (10). A purge system backflushes the oil filter (12) and re-circulates backflushed used oil. A replacement system supplies fresh oil to the filter (12).
摘要:
A fluid filter assembly (20) includes an axially extending tubular housing shell (24) having an integral closed end (26), a distally opposite integral open end (28), and a sidewall (30) extending integrally between the ends. An annular filter cartridge (32) is in the housing shell. An adapter plate (48) has a first set of threads (50) thread mounting the adapter plate to the machine (22) from which fluid is filtered, and a second set of threads (54) engaging the threads (56) of the open end of the housing shell in thread tightened engagement. The housing shell is a singular one-piece member of sufficient stock and thickness at the open end to be internally threaded and to structurally support direct threaded engagement with the adapter plate without an intermediate structural support member. The housing shell sidewall extending integrally between the ends is of sufficient stock and thickness to prevent torsional crimping thereof upon thread tightened engagement, including when the integral closed end of the housing shell is gripped and turned to turn the housing shell at the integral open end into direct threaded engagement with the adapter plate. In addition to simplified reduced part content, easy change of the filter cartridge is also enabled, wherein the adapter plate remains on the machine when the housing shell is removed.
摘要:
A filter (102) for filtering fluid from a machine (104) includes a filter housing (106, 250) having a first inlet (114) receiving a first fluid from the machine, a first outlet (116) returning the first fluid to the machine, a second inlet (118) selectively receiving a second fluid from a source (120) of cleaning fluid, and a second outlet (122) for exhausting the second fluid and for exhausting the first fluid from the dirty side of the main filter element (124) in the housing backwashed by the second fluid. The filter housing has a first flow path (126) therethrough from the first inlet then through the filter element in one direction then to the first outlet, and has a second flow path from the second inlet then through the filter element in the opposite direction then to the second outlet, the first and second flow paths having common but opposite direction portions through the filter element. A second filter element (156) is provided in the second flow path.
摘要:
A separation assembly is generally described that can chemically treat condensate material in a fluid stream. One particular example of a separation assembly is a crankcase filtration assembly used in engine oil filtration and that includes an additive material disposed within the crankcase filtration assembly. The additive material chemically treats condensate material of blow-by fluids received by the crankcase filtration assembly when a condition is present in the condensate material. For example, the crankcase filtration assembly provides a unique structure with a chemically treated component that can reduce an acidic condition in condensate material received by the crankcase filtration assembly, and even more generally may extend engine oil life.
摘要:
Enhanced performance fibrous media (60) is provided by orienting filter media fibers (62) dominantly parallel to the fluid flow direction (46). Filter media construction is provided by a sheet (80) having an internal pleated subsheet (88) with pleats (92, 94) engaging and packed against each other sufficiently tightly and bonded (104) such that fluid flows along the flow direction through the pleats in parallel therewith, rather than between the pleats and then transversely therethrough. An extended life two-stage fluid filter assembly includes first and second filter elements (80 and 112), wherein the pleats (114, 116) of a main downstream filter element (112) are spaced from each other along a spacing direction (122) transverse to the flow direction (46) and defining a transverse gap (124) therebetween through which fluid flows, and wherein the pleats (92, 94) of an upstream prefilter element (80) are packed against each other without such transverse gap and blocking fluid flow therebetween.
摘要:
Disclosed are sealing apparatuses having a sealing gland for an O-ring, the sealing gland comprising a primary gland and an auxiliary gland located below the primary gland. The apparatuses may be utilized for filter cartridges in filter systems.